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19 April 2024, 06:28:37 UTC
Revision fb3ee73ec749c035b5e8ffe613b52c2c67987d23 authored by Shuhei Kadowaki on 20 December 2021, 08:44:38 UTC, committed by GitHub on 20 December 2021, 08:44:38 UTC 
inlining: add missing late special handling for `UnionAll` method call (#43479)
 
Looking at the result of <https://github.com/JuliaLang/julia/issues/43452#issuecomment-996971256>,
I found that currently the inlinear sometimes fails to handle `UnionAll`
call (e.g. runtime dispatch detected: Core.UnionAll(%28::TypeVar, %29::Any)).

This commit adds a missing late special handling for `UnionAll` calls:

> before
```julia
julia> code_typed((TypeVar,)) do tv
           UnionAll(tv, Type{tv})
       end
1-element Vector{Any}:
 CodeInfo(
1 ─ %1 = Core.apply_type(Main.Type, tv)::Type{Type{_A}} where _A
│   %2 = Main.UnionAll(tv, %1)::Any
└──      return %2
) => Any
```

> after
```julia
julia> code_typed((TypeVar,)) do tv
           UnionAll(tv, Type{tv})
       end
1-element Vector{Any}:
 CodeInfo(
1 ─ %1 = Core.apply_type(Main.Type, tv)::Type{Type{_A}} where _A
│   %2 = $(Expr(:foreigncall, :(:jl_type_unionall), Any, svec(Any, Any), 0, :(:ccall), Core.Argument(2), :(%1)))::Any
└──      return %2
) => Any
```
1 parent 4409c82
History
Tip revision: fb3ee73ec749c035b5e8ffe613b52c2c67987d23 authored by Shuhei Kadowaki on 20 December 2021, 08:44:38 UTC
inlining: add missing late special handling for `UnionAll` method call (#43479)
Tip revision: fb3ee73
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